From 15d118d3bdad3f11d9bb57ef21a904a754ca0305 Mon Sep 17 00:00:00 2001
From: Mark Sanborn <sanbornm@gmail.com>
Date: Fri, 8 Aug 2014 17:33:06 -0700
Subject: [PATCH] Refactor

---
 main.go | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/main.go b/main.go
index 4ec6131..e9da1a5 100644
--- a/main.go
+++ b/main.go
@@ -130,14 +130,21 @@ func printUsage() {
 	fmt.Println("\tCross platform: go-selfupdate /tmp/mybinares/ 1.2")
 }
 
-func main() {
-	plat = os.Getenv("GOOS") + "-" + os.Getenv("GOARCH")
-
+func isArgsPresent() bool {
 	if len(os.Args) < 2 {
+		return false
+	}
+
+	return true
+}
+
+func main() {
+	if isArgsPresent() == false {
 		printUsage()
 		os.Exit(0)
 	}
 
+	plat = os.Getenv("GOOS") + "-" + os.Getenv("GOARCH")
 	appPath = os.Args[1]
 	version = os.Args[2]
 	genDir = "public"